We are constantly refining our models to improve performance.
我们不断改进我们的模型以提高性能。
The difference between the impossible and the possible lies in a person’s determination.
在亚马逊的经营上，有三大想法我们已经坚持了18年，它们是亚马逊成功的原因：客户至上、创新和耐心。
These are the times that try men's souls.
"The only thing we have to fear is fear itself."
在独处中，我们发现自己的存在已经足够。
把冬天当作正常季节，才能活得长久。